special speaking devices for communication during the operation; re-transmitter operating at different frequency diapason; manual and mobile radio stations for vehicles; sources/facilities of radio electronic emanation; radio-monitoring system at HF/VHF/UHF diapason for the direction-finding of the GSM type mobile phones, radio coverage and decoding of information.
- Sistema de control radial en las bandas de transmisión HF/VHF/UHF para la orientación de los equipos telefónicos celulares de tipo GSM, la cobertura radial y la decodificación de información.